Nishimura Riki , known professionally as Ni-Ki, is a Japanese singer and dancer based in South Korea. He is a member of the boy band Enhypen under Belift Lab, formed through the reality survival show I-Land in 2020. His Korean nickname is Nishimura Chulsoo which was given to him by the Enhypen members. In a 2024 interview, Ni-Ki said that if he didn't debut as an idol, he would be a dancer.